| 摘要 |
<p>PURPOSE:To prevent camber surely by correcting a roller opening by finding a correcting value of the roller opening at the right and left ends of a roller by a specific equation based on actual load variations of both ends of the rolling roller and actual roller opening deviations. CONSTITUTION:The transformation matrix of roller openings is prepared using predicted loads Fw and Fd on a material, inlet side plate thicknesses H1w and H1d, and outlet side plate thicknesses Hzw and Hzd previously. The lock-on loads Fwo and Fdo when the roller openings are the standard values Swo and Sdo are taken in. Actual loads Fw and Fd and roller openings Sw and Sd are taken in after taking the lock-on loads Fwo and Fdo in. Then the necessary correcting values DELTASd and DELTASw of the roller opening sufficient to eliminate camber are calculated by the equation I. That correction prevents a bending trend in the rolling direction of a plate having different plate thicknesses from each other at the right and left edges in the lateral direction of the plate and occurrence of camber surely.</p> |
